Re: -current tar(1) breakage

[Hauke Fath <hauke%Espresso.Rhein-Neckar.DE@localhost>]

On Fri, 26 Mar 2021 16:28:38 -0000 (UTC), Christos Zoulas wrote:
> What does the core file show?

Reading symbols from /usr/bin/tar...
(No debugging symbols found in /usr/bin/tar)
[New process 29527]
Core was generated by `tar'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000074e0e8667866 in iconv () from /lib/libc.so.12
(gdb) bt
#0  0x000074e0e8667866 in iconv () from /lib/libc.so.12
#1  0x000074e0ea683834 in ?? () from /usr/lib/libarchive.so.4
#2  0x000074e0ea6844ba in archive_strncat_l () from 
/usr/lib/libarchive.so.4
#3  0x000074e0ea6847d9 in archive_mstring_get_mbs_l () from 
/usr/lib/libarchive.so.4
#4  0x000074e0ea61f051 in ?? () from /usr/lib/libarchive.so.4
#5  0x000074e0ea61f5da in ?? () from /usr/lib/libarchive.so.4
#6  0x000074e0ea66a1da in ?? () from /usr/lib/libarchive.so.4
#7  0x0000000155a08ac2 in write_entry ()
#8  0x0000000155a08cac in write_hierarchy ()
#9  0x0000000155a0907e in write_archive ()
#10 0x0000000155a098a4 in tar_mode_c ()
#11 0x0000000155a0ba4d in main ()
(gdb)

Also, from a 'ktrace -di':

[...]
 29527  29527 tar      CALL  __acl_get_fd(7,4,0x74e0ea5dc000)
 29527  29527 tar      RET   __acl_get_fd -1 errno 45 Operation not 
supported
 29527  29527 tar      CALL  
mmap(0,0x5000,PROT_READ|PROT_WRITE,0x1002<PRIVATE,ANONYMOUS,ALIGN=NONE>,0xffffffff,0,0)
 29527  29527 tar      RET   mmap 128509353488384/0x74e0ea5d7000
 29527  29527 tar      CALL  munmap(0x74e0ea5d7000,0x5000)
 29527  29527 tar      RET   munmap 0
 29527  29527 tar      CALL  
mmap(0,0x6000,PROT_READ|PROT_WRITE,0xd001002<PRIVATE,ANONYMOUS,ALIGN=8KB>,0xffffffff,0,0)
 29527  29527 tar      RET   mmap 128509353484288/0x74e0ea5d6000
 29527  29527 tar      CALL  munmap(0x74e0ea5db000,0x1000)
 29527  29527 tar      RET   munmap 0
 29527  29527 tar      CALL  __acl_get_fd(7,2,0x74e0ea5d6000)
 29527  29527 tar      RET   __acl_get_fd -1 errno 45 Operation not 
supported
 29527  29527 tar      CALL  extattr_list_fd(7,1,0,0)
 29527  29527 tar      RET   extattr_list_fd -1 errno 45 Operation not 
supported
 29527  29527 tar      CALL  close(7)
 29527  29527 tar      RET   close 0
 29527  29527 tar      CALL  fchdir(3)
 29527  29527 tar      RET   fchdir 0
 29527  29527 tar      PSIG  SIGSEGV SIG_DFL: code=SEGV_MAPERR, 
addr=0x68, trap=6)
 29527  29527 tar      NAMI  "tar.core"

-- 
Hauke Fath                        <hauke%Espresso.Rhein-Neckar.DE@localhost>
Linnéweg 7
64342 Seeheim-Jugenheim
Germany